Package de.stefanfrings.utils

Class CombinedURL

java.lang.Object

de.stefanfrings.utils.CombinedURL

public class CombinedURL
extends Object

Extended version of the URL class, supports proxy and authentication, can send HTTP header and post parameters.

Examples:

• http://stefan:password@www.whatever.com/private/music.mp3
• ftp://stefan:password@ftp.whatever.com/private/music.mp3
• http://freeproxy:8080?http://www.google.com/search?q=linux
• http://freeproxy:8080?http://stefan:password@www.whatever.com/private/music.mp3
• http://stefan:password@wwwproxy:8080?http://stefan:password@www.whatever.com/private/music.mp3

The syntax of a combined URL is:

• [proxy?]server

The syntax of the optional proxy part is:

• http://[username:password@]host:port
• socks://[username:password@]host:port

The syntax of server part is:

• http://[username:password@]host[:port]/[path/][filename][?parameters]
• ftp://[username:password@]host[:port]/[path/]filename
• file:///[path/]filename (reative to current working directory)
• file:////[path/]filename (Unix absolute path)
• file://drive:/[path/]filename (Windows absolute path)
• file://server/[path/]filename (Windows absolute path)

Other protocols might work but have not been tested.

Author:

Stefan Frings, http://stefanfrings.de/javautils

Constructor Summary

Constructors

Constructor	Description
CombinedURL(String combined)	Constructor that takes a server URL or combined URL as string.
CombinedURL(String proxy, String server)	Constructor that takes proxy and server URL as string.
CombinedURL(URL proxyURL, URL serverURL)	Constructor that takes proxy and server URL.

Method Summary

Modifier and Type	Method	Description
URLConnection	connect(int connTimeout, int readTimeout)	Open a connection to the URL.
URLConnection	connect(int connTimeout, int readTimeout, Map<String,String> httpRequestHeaderParams, Map<String,String> httpPostData, String httpPostEncoding)	Open a connection to the URL, with optional HTTP specific parameters.
Proxy	getProxy()	Get a Proxy instance from proxy URL.
URL	getProxyURL()	Get the proxy URL part of this combined URL.
URL	getserverURL()	Get the server URL part of this combined URL.
String	toString()	Get the combined URL as string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

CombinedURL

public CombinedURL(URL proxyURL,
 URL serverURL)
            throws MalformedURLException

Constructor that takes proxy and server URL.

Parameters:

proxyURL - proxy settings

serverURL - server settings

Throws:

MalformedURLException - If the URL is invalid.

CombinedURL

public CombinedURL(String proxy,
 String server)
            throws MalformedURLException

Constructor that takes proxy and server URL as string.

Parameters:

proxy - proxy settings

server - server settings

Throws:

MalformedURLException - If the URL is invalid.

CombinedURL

public CombinedURL(String combined)
            throws MalformedURLException

Constructor that takes a server URL or combined URL as string.

This constructor detect automatically whether the argument contains the optional proxy URL followed by "?" followed by the mandatory server URL.

Parameters:

combined - Combined string with optional proxy URL and server URL

Throws:

MalformedURLException - If the URL is invalid.

Method Details

getProxyURL

public URL getProxyURL()

Get the proxy URL part of this combined URL.

Returns:

proxy URL

getserverURL

public URL getserverURL()

Get the server URL part of this combined URL.

Returns:

server URL

toString

public String toString()

Get the combined URL as string.

Overrides:

toString in class Object

Returns:

server URL

getProxy

public Proxy getProxy()
               throws MalformedURLException

Get a Proxy instance from proxy URL.

Returns:

A Proxy or Proxy.NO_PROXY

Throws:

MalformedURLException - If the URL is not properly formed.

connect

public URLConnection connect(int connTimeout,
 int readTimeout,
 Map<String,String> httpRequestHeaderParams,
 Map<String,String> httpPostData,
 String httpPostEncoding)
                      throws IOException

Open a connection to the URL, with optional HTTP specific parameters.

To read data, use TextReader.readText(URLConnection con, String defaultEncoding) or URLConnection.getInputStream().

Parameters:

connTimeout - Timeout for connection in ms.

readTimeout - Timeout for reading in ms.

httpRequestHeaderParams - Pairs of name+value of request header parameters, may be null.

httpPostData - Pairs of name+value to send like HTML forms, may be null.

httpPostEncoding - Encoding of the form data, typically UTF-8.

Returns:

An open URLConnection, don't forget to close it!

Throws:

IOException - In case of an I/O error.

connect

public URLConnection connect(int connTimeout,
 int readTimeout)
                      throws IOException

Open a connection to the URL.

To read data, use TextReader.readText(URLConnection con, String defaultEncoding) or URLConnection.getInputStream().

Parameters:

connTimeout - Timeout for connection in ms.

readTimeout - Timeout for reading in ms.

Returns:

An open URLConnection, don't forget to close it!

Throws:

IOException - In case of an I/O error.